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Bipedal Human Ancestor found in Kenya
Scientists find 4.1 million-year-old bipedal hominid bones; hot universe model found in cold helium; malaria vaccine trials; discovery of the Comet Hale-Bopp; claims for Roswell 'alien autopsy' film.
大象传媒 World Service Archive
This programme was restored as part of the World Service archive project
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Science In Action
The 大象传媒 brings you all the week's science news.
